/*
 *  linux/drivers/mmc/core/core.h
 *
 *  Copyright (C) 2003 Russell King, All Rights Reserved.
 *  Copyright 2007 Pierre Ossman
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef _MMC_CORE_CORE_H
#define _MMC_CORE_CORE_H

//#include <linux/delay.h>
#include <goldfish/types.h>

#define MMC_CMD_RETRIES        3
#define mmc_host_is_spi(host)	((host)->caps & MMC_CAP_SPI)
#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
#define mmc_card_highspeed(c)	((c)->state & MMC_STATE_HIGHSPEED)
#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)

struct mmc_bus_ops {
	void (*remove)(struct mmc_host *);
	void (*detect)(struct mmc_host *);
	void (*suspend)(struct mmc_host *);
	void (*resume)(struct mmc_host *);
};

void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
void mmc_detach_bus(struct mmc_host *host);

void mmc_set_chip_select(struct mmc_host *host, int mode);
void mmc_set_clock(struct mmc_host *host, unsigned int hz);
void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
void mmc_set_timing(struct mmc_host *host, unsigned int timing);

static inline void mmc_delay(unsigned int ms)
{
//	if (ms < 1000 / HZ) {
//		cond_resched();
//		mdelay(ms);
//	} else {
//		msleep(ms);
//	}
	int i = ms*10000;
	for(;i;i--);
}

//void mmc_rescan(struct work_struct *work);
void mmc_rescan(struct mmc_host *host);
void mmc_start_host(struct mmc_host *host);
void mmc_stop_host(struct mmc_host *host);
int mmc_wait_for_cmd(struct mmc_host *host, struct mmc_command *cmd, int retries);
void mmc_wait_for_req(struct mmc_host *host, struct mmc_request *mrq);

int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
int mmc_attach_sd(struct mmc_host *host, u32 ocr);
int mmc_attach_sdio(struct mmc_host *host, u32 ocr);

extern int use_spi_crc;

/* Debugfs information for hosts and cards */
void mmc_add_host_debugfs(struct mmc_host *host);
void mmc_remove_host_debugfs(struct mmc_host *host);

void mmc_add_card_debugfs(struct mmc_card *card);
void mmc_remove_card_debugfs(struct mmc_card *card);

#endif

